| Type |
Route/Road |
Comments |
 Limited Access Fwy |
| ENTER Washington County MD / LEAVE Fulton County PA |
Interchange Exit #1A-B |
 EAST Hagerstown |
|
 WEST Cumberland |
|
SOUTH Hancock Winchester VA |
|
Limited Access Fwy |
Interchange Exit #3 |
WEST Hancock |
C & O Canal Visitors Center |
Interchange Exit #5 |
 |
|
Interchange Exit #9 EASTBOUND |
EAST East Springs |
|
Limited Access Fwy |
Interchange Exit #12 |
 Big Pool Indian Springs |
Fort Frederick State Park |
Interchange Exit #18 |
 Clear Spring |
Ski Area |
Interchange Exit #24 |
 Huyett Williamsport |
C & O Canal Cushwa Basin |
Interchange Exit #26 |
 Harrisburg PA Roanoke VA |
Martinsburg WV Chambersburg PA
Hagerstown Regional Airport |
Interchange Exit #28 |
 Hagerstown Downsville |
|
Interchange Exit #29 |
 Sharpsburg Hagerstown |
Antietam National Battlefield |
Interchange Exit #32A-B |
 Hagerstown |
Hagerstown Community College |
| INFORMATION CENTER |
Interchange Exit #35 |
 Smithsburg Boonsboro |
Washington Monument State Park Greenbrier State Park |
| Appalachian Trail |
| ENTER Frederick County / LEAVE Washington County |
| INFORMATION CENTER / REST AREA |
Interchange Exit #42 |
 Myersville |
Greenbrier State Park Gambrill State Park |
Interchange Exit #48 EASTBOUND |
EAST Frederick |
|
Interchange Exit #49 WESTBOUND |
WEST Braddock Heights Middletown |
Washington Monument State Park Ski Area |
Interchange Exit #52/52A |
| SOUTH | WEST |  |  | Charles Town WV |
Harpers Ferry WV Leesburg VA |
Interchange Exit #52B EASTBOUND |
| NORTH | WEST |  |  | Gettysburg PA |
|
Interchange Exit #53 WESTBOUND |
Interchange Exit #53 EASTBOUND |
SOUTH Washington DC |
|
Limited Access Fwy |
Interchange Exit #54 |
TO  S Market St Frederick |
TO SOUTH |
Monacacy National Battlefield Harry Grove Stadium |
Interchange Exit #55 |
Smith St Reich's Ford Rd Frederick |
|
Interchange Exit #56 |
 W Patrick St Frederick |
Frederick Airport |
Fairgrounds Frederick Historic District |
Interchange Exit #59 WESTBOUND |
WEST Old National Pike |
|
Interchange Exit #62 |
 Libertytown Hyattsville |
New Market Historic District |
| ENTER Carroll County / LEAVE Frederick County |
| ENTER Howard County / LEAVE Carroll County |
TRUCK REST AREA EASTBOUND ONLY |
Interchange Exit #68 |
 Damascus Mount Airy |
Patuxent River State Park |
Interchange Exit #73 |
 Woodbine Lisbon |
Patuxent River State Park |
Interchange Exit #76 |
 Westminster Olney |
|
Interchange Exit #80 |
 Sykesville Columbia |
Annapolis Chesapeake Bay |
Interchange Exit #82 EASTBOUND |
EAST Baltimore National Pike Ellicott City |
|
Limited Access Fwy |
Interchange Exit #83 WESTBOUND |
Marriottsville Rd |
TO EAST |
Interchange Exit #87A-B |
TO  Ellicott City Columbia |
Patapsco Valley State Park |
| ENTER Baltimore County / LEAVE Howard County |
Interchange Exit #91 |
 Towson Glen Burnie |
Baltimore-Washington International Airport |
Interchange Exit #94 EASTBOUND |
 Security Blvd Woodlawn |
PARK AND RIDE |
END EAST |